Related Experiment Video
Updated: Jul 19, 2026

Construction of Vapor Chambers Used to Expose Mice to Alcohol During the Equivalent of all Three Trimesters of Human Development
Published on: July 13, 2014
Three-year developmental outcomes in children with prenatal alcohol and drug exposure
Deborah Kartin1, Therese M Grant, Ann P Streissguth
1Department of Rehabilitation Medicine (D.K.), Fetal Alcohol and Drug Unit, Department of Psychiatry and Behavioral Sciences (T.M.G., A.P.S., C.C.E.), School of Medicine, and Department of Statistics (P.D.S.), University of Washington, Seattle, Wash.
Insights
Children prenatally exposed to alcohol and drugs showed lower developmental performance. A home visitation program was insufficient to overcome these risks, suggesting a need for more comprehensive services.
Area of Science:
- Pediatrics
- Developmental Psychology
- Public Health
Background:
- Prenatal exposure to alcohol and drugs poses significant risks to child development.
- Assessing developmental outcomes in children with prenatal substance exposure is crucial for early intervention.
Purpose of the Study:
- To evaluate the developmental performance of children exposed to maternal alcohol and drug abuse during pregnancy.
- To investigate the impact of prenatal binge alcohol exposure and prematurity on developmental outcomes.
- To examine the effectiveness of a home visitation intervention program.
Main Methods:
- Children were recruited from hospital and community settings.
- Participants were assigned to a home visitation intervention or a control group.
- Developmental outcomes were assessed using the Bayley Scales of Infant Development Second Edition (BSID-II) at three years.
Main Results:
- Children exposed prenatally to alcohol and drugs demonstrated, on average, substantially lower developmental scores than expected.
- Maternal binge drinking was associated with slightly lower Mental Developmental Index (MDI) and Psychomotor Developmental Index (PDI) scores.
- The home visitation intervention showed no systematic effect on developmental outcomes.
Conclusions:
- Prenatal alcohol and drug exposure significantly impacts preschool children's development.
- Standard home visitation programs may not be sufficient to mitigate the complex developmental risks associated with prenatal substance exposure.
- Further research into comprehensive, multidimensional services tailored for these children is recommended.
Purpose:
The purpose of this study was to describe the performance of children whose mothers abused alcohol and drugs heavily during pregnancy, using the Bayley Scales of Infant Development Second Edition (BSID-II) at three years, and to examine the effects of study group, prenatal binge alcohol exposure, and prematurity on developmental outcome.
Methods:
Children were born to mothers recruited from two large hospitals or through community referral. Hospital recruits were randomly assigned to either a three-year paraprofessional home visitation intervention program (n = 30) or a control group (n = 31). Community recruits were enrolled in the intervention program (n = 35).
Results:
Among all children the mean BSID-II Mental Developmental Index (MDI) was 84.4 (SD = 14.4) and mean Psychomotor Developmental Index (PDI) was 84.1 (SD = 16.9). Box plots of the MDI and PDI scores by study group, maternal prenatal binge alcohol status, and a binary indicator of prematurity suggested an effect of maternal binge drinking on MDI and PDI scores: children of mothers with a history of binge alcohol consumption have, on average, slightly lower scores. We saw no evidence of a systematic effect of the maternal intervention.
Conclusions:
Developmental performance of preschool children exposed to alcohol and drugs prenatally was, on average, substantially lower than expected for age regardless of study group. Although this home visitation intervention has been shown to be effective in helping mothers address a wide spectrum of needs, it is unlikely sufficient to overcome complex developmental risks of children exposed to alcohol and drugs prenatally. The effect of more comprehensive, multidimensional services specifically designed for the children should be investigated within this context.
More Related Videos
Related Concept Videos
Three Developmental Domains
Physical Development
Physical processes, also known as maturation, encompass the biological changes that occur across an individual's life. These changes begin with genetic inheritance and continue through various stages, including growth in height and weight,...
Teratogenicity
Attention-Deficit/Hyperactivity Disorder
Diagnostic Criteria and Symptoms
To diagnose ADHD, symptoms must manifest before age 12 and be evident across multiple settings.

